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A theranostic photosensitizer-conjugated albumin co-loading with resiquimod for cancer-targeted imaging and robust photo-immunotherapy 用于癌症靶向成像和强效光免疫疗法的治疗光敏剂与雷昔莫德共负载白蛋白。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1016/j.phrs.2024.107489
Xu Tan , Yu Wang , Lei Long , Hongdan Chen , Langfan Qu , Xiaohui Cao , Huijuan Li , Zelin Chen , Shenglin Luo , Chunmeng Shi
Cancer immunotherapy remains a low immune response rate in clinic because of dominant immunosuppressive tumor microenvironment (TME) and lack of effective drug to specifically remodel the TME. In this work, we introduced a tumor-seeking human serum albumin (HSA) based delivery platform by covalently conjugating with a tumor-targeting near-infrared (NIR) photosensitizer (IR-DBI) and non-covalently loading of immune modulator Resiquimod (R848). HSA exhibited tumor-preferential accumulation after covalent conjugation with IR-DBI. Meanwhile, HSA restricted the rotation of IR-DBI, narrowed the HOMO-LUMO energy gap, significantly enhanced fluorescent intensity and dual-modal phototherapy (PTT/PDT). The enhanced phototherapeutic effect further induced robust ICD effect. More importantly, non-covalent loading of R848 could be released from HSA at tumor sites by laser irradiation-induced heat. The in-situ release of R848 in TME efficiently promoted the maturation of DC cells and repolarized M2 macrophages to M1 macrophages. Consequently, robust photo-induced antitumor immunity was triggered in the different mice models bearing primary and distant tumors or lung metastasis, which was further enhanced by combining with CTLA-4 blockade therapy. Taken together, this work may present a versatile albumin composite which exhibits tumor-preferential accumulation and imaging-guided PDT/PTT/immunotherapy.
由于免疫抑制性肿瘤微环境(TME)占主导地位,且缺乏特异性重塑肿瘤微环境的有效药物,癌症免疫疗法在临床上的免疫应答率仍然很低。在这项工作中,我们通过共价共轭肿瘤靶向近红外(NIR)光敏剂(IR-DBI)和非共价负载免疫调节剂Resiquimod(R848),引入了一种基于人血清白蛋白(HSA)的肿瘤靶向递送平台。HSA与IR-DBI共价结合后,表现出肿瘤优先积累的特性。同时,HSA 限制了 IR-DBI 的旋转,缩小了 HOMO-LUMO 能隙,显著增强了荧光强度和双模式光疗(PTT/PDT)。增强的光疗效果进一步诱导了强大的 ICD 效应。更重要的是,R848 的非共价负载可通过激光照射引起的热量从肿瘤部位的 HSA 中释放出来。R848 在 TME 中的原位释放能有效促进 DC 细胞的成熟,并将 M2 巨噬细胞重新极化为 M1 巨噬细胞。因此,在不同的小鼠原发和远处肿瘤或肺转移瘤模型中,光诱导的抗肿瘤免疫力都得到了增强。综上所述,这项研究可能提出了一种多功能白蛋白复合材料,它具有肿瘤偏好性蓄积和成像引导的 PDT/PTT/ 免疫疗法。
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引用次数: 0
GSTA1/CTNNB1 axis facilitates sorafenib resistance via suppressing ferroptosis in hepatocellular carcinoma GSTA1/CTNNB1轴通过抑制肝细胞癌中的铁变态反应促进索拉非尼耐药性的产生。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1016/j.phrs.2024.107490
Shiwen Ma , Fei Xie , Xiaohu Wen , Yao Mawulikplimi Adzavon , Ruping Zhao , Jinyi Zhao , Han Li , Yanqi Li , Jingtao Liu , Chen Liu , Yang Yi , Pengxiang Zhao , Boqing Wang , Wei Zhao , Xuemei Ma
The emergence of sorafenib resistance has become a predominant impediment and formidable dilemma in the therapeutic approach for hepatocellular carcinoma (HCC). Although the approval of next-generation drugs as alternatives to sorafenib is a significant development, the concurrent use of inhibitors that target additional key molecular pathways remains an effective strategy to mitigate the acquisition of resistance. Here, we identified Glutathione S-Transferase Alpha 1 (GSTA1) as a critical modulator of sorafenib resistance (SR) in hepatocellular carcinoma (HCC) based on our findings from experiments conducted on recurrent liver cancer tissues, xenograft mouse models, organoids, and sorafenib-resistant cells. Elevated GSTA1 levels are strongly associated with adverse clinical prognoses. The knockout of GSTA1 reinstates sorafenib sensitivity, whereas its overexpression attenuates drug efficacy. Mechanistically, GSTA1 enhances the accumulation of lipid peroxides and suppresses ferroptosis by exerting its peroxidase function to regulate the SR. Notably, the upregulation of GSTA1 expression is mediated by the transcription factor CTNNB1 (β-catenin), resulting in the formation of a cytoplasmic complex between GSTA1 and CTNNB1. This complex facilitates the nuclear translocation of CTNNB1, establishing a positive feedback loop. The combined use of GSTA1 and CTNNB1 inhibitors demonstrated synergistic anti-tumour effects through the induction of ferroptosis both in vitro and in vivo. Our findings reveal a novel regulatory role of the GSTA1/CTNNB1 axis in ferroptosis, suggesting that targeting GSTA1 and CTNNB1 could be a promising strategy to circumvent sorafenib resistance in HCC.
索拉非尼耐药性的出现已成为肝细胞癌(HCC)治疗方法的主要障碍和棘手难题。尽管批准新一代药物作为索拉非尼的替代品是一项重大进展,但同时使用针对其他关键分子通路的抑制剂仍是缓解耐药性的有效策略。在此,我们根据在复发性肝癌组织、异种移植小鼠模型、器官组织和索拉非尼耐药细胞上进行的实验结果,确定谷胱甘肽 S-转移酶α1(GSTA1)是肝细胞癌(HCC)索拉非尼耐药性(SR)的关键调节因子。GSTA1 水平升高与不良临床预后密切相关。敲除 GSTA1 会恢复索拉非尼的敏感性,而过表达则会减弱药物疗效。从机理上讲,GSTA1 通过发挥其过氧化物酶的功能来调节 SR,从而增强脂质过氧化物的积累并抑制铁变态反应。值得注意的是,GSTA1 表达的上调是由转录因子 CTNNB1(β-catenin)介导的,导致 GSTA1 和 CTNNB1 之间形成细胞质复合物。该复合物可促进 CTNNB1 的核转位,从而建立一个正反馈回路。GSTA1 和 CTNNB1 抑制剂的联合使用通过在体外和体内诱导铁变态反应而显示出协同抗肿瘤作用。我们的研究结果揭示了 GSTA1/CTNNB1 轴在铁变态反应中的新型调控作用,这表明靶向 GSTA1 和 CTNNB1 可能是规避 HCC 索拉非尼耐药性的一种有前途的策略。
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引用次数: 0
New avenues of combating antibiotic resistance by targeting cryptic pockets 针对隐匿口袋抗击抗生素耐药性的新途径。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-03 DOI: 10.1016/j.phrs.2024.107495
Yangyang Gao , Huimin Chen , Weicheng Yang , Shuang Wang , Daohong Gong , Xiao Zhang , Yuanqin Huang , Vinit Kumar , Qiuqian Huang , W.M.W.W. Kandegama , Gefei Hao
Antibiotic resistance is a global health concern that is rapidly spreading among human and animal pathogens. Developing novel antibiotics is one of the most significant approaches to surmount antibiotic resistance. Given the difficult in identifying novel targets, cryptic binding sites provide new pockets for compounds design to combat antibiotic resistance. However, there exists a lack of comprehensive analysis and discussion on the successful utilization of cryptic pockets in overcoming antibiotic resistance. Here, we systematically analyze the crucial role of cryptic pockets in neutralizing antibiotic resistance. First, antibiotic resistance development and associated resistance mechanisms are summarized. Then, the advantages and mechanisms of cryptic pockets for overcoming antibiotic resistance were discussed. Specific cryptic pockets in resistant proteins and successful case studies of designed inhibitors are exemplified. This review provides insight into the discovery of cryptic pockets for drug design as an approach to overcome antibiotic resistance
抗生素耐药性是一个全球健康问题,正在人类和动物病原体中迅速蔓延。开发新型抗生素是克服抗生素耐药性的最重要方法之一。由于难以确定新的靶点,隐性结合位点为设计化合物以对抗抗生素耐药性提供了新的途径。然而,目前还缺乏对成功利用隐性结合位点克服抗生素耐药性的全面分析和讨论。在此,我们系统分析了隐性口袋在中和抗生素耐药性中的关键作用。首先,总结了抗生素耐药性的发展和相关的耐药性机制。然后,讨论了隐窝在克服抗生素耐药性方面的优势和机制。此外,还举例说明了耐药蛋白质中的特定隐窝以及设计抑制剂的成功案例研究。这篇综述深入探讨了发现隐窝进行药物设计作为克服抗生素耐药性的一种方法。
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引用次数: 0
Nanoparticles encapsulating phosphatidylinositol derivatives promote neuroprotection and functional improvement in preclinical models of ALS via a long-lasting activation of TRPML1 lysosomal channel 在渐冻症临床前模型中,包裹磷脂酰肌醇衍生物的纳米颗粒通过长期激活 TRPML1 溶酶体通道促进神经保护和功能改善。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-02 DOI: 10.1016/j.phrs.2024.107491
Valentina Tedeschi , Valeria Nele , Valeria Valsecchi , Serenella Anzilotti , Antonio Vinciguerra , Laura Zuccaro , Maria Josè Sisalli , Chiara Cassiano , Nunzia De Iesu , Giuseppe Pignataro , Lorella Maria Teresa Canzoniero , Anna Pannaccione , Giuseppe De Rosa , Agnese Secondo
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease currently incurable, in which motor neuron degeneration leads to voluntary skeletal muscle atrophy. Molecularly, ALS is characterized by protein aggregation, synaptic and organellar dysfunction, and Ca2+ dyshomeostasis. Of interest, autophagy dysfunction is emerging as one of the main putative targets of ALS therapy. A tune regulation of this cleansing process is affordable by a proper stimulation of TRPML1, one of the main lysosomal channels. However, TRPML1 activation by PI(3,5)P2 has low open probability to remain in an active conformation. To overcome this drawback we developed a lipid-based formulation of PI(3,5)P2 whose putative therapeutic potential has been tested in in vitro and in vivo ALS models.
Pharmacodynamic properties of PI(3,5)P2 lipid-based formulations (F1 and F2) on TRPML1 activity have been characterized by means of patch-clamp electrophysiology and Fura-2AM video-imaging in motor neuronal cells. Once selected for the ability to stabilize TRPML1 activity, the most effective preparation F1 was studied in vivo to measure neuromuscular function and survival of SOD1G93A ALS mice, thereby establishing its therapeutic profile.
F1, but not PI(3,5)P2 alone, stabilized the open state of the lysosomal channel TRPML1 and increased the persistence of intracellular calcium concentration ([Ca2+]i). Then, F1 was effective in delaying motor neuron loss, improving innervated endplants and muscle performance in SOD1G93A mice, extending overall lifespan by an average of 10 days. Of note F1 prevented gliosis and autophagy dysfunction in ALS mice by restoring PI(3,5)P2 level.
Our novel self-assembling lipidic formulation for PI(3,5)P2 delivery exerts a neuroprotective effect in preclinical models of ALS mainly regulating dysfunctional autophagy through TRPML1 activity stabilization.
背景和目的:肌萎缩性脊髓侧索硬化症(ALS)是一种进行性神经退行性疾病,目前无法治愈,运动神经元变性会导致自主性骨骼肌萎缩。从分子角度看,肌萎缩侧索硬化症的特征是蛋白质聚集、突触和细胞器功能障碍以及 Ca2+ 平衡失调。值得关注的是,自噬功能障碍正在成为 ALS 治疗的主要假定靶点之一。通过适当刺激主要溶酶体通道之一的 TRPML1,可以对这一清洁过程进行调节。然而,PI(3,5)P2 激活的 TRPML1 保持活性构象的开放概率较低。为了克服这一缺点,我们开发了一种基于脂质的 PI(3,5)P2 制剂,其治疗潜力已在体外和体内 ALS 模型中进行了测试:实验方法:通过运动神经细胞中的贴片钳电生理学和 Fura-2AM 视频成像,确定了 PI(3,5)P2 脂基制剂(F1 和 F2)对 TRPML1 活性的药效学特性。在筛选出能稳定 TRPML1 活性的制剂后,对最有效的制剂 F1 进行了体内研究,以测量 SOD1G93A ALS 小鼠的神经肌肉功能和存活率,从而确定其治疗特性。主要结果 F1(而不是单独的 PI(3,5)P2)稳定了溶酶体通道 TRPML1 的开放状态,并增加了细胞内钙浓度([Ca2+]i)的持续性。然后,F1 能有效延缓 SOD1G93A 小鼠运动神经元的丧失,改善神经支配内植物和肌肉性能,平均延长整体寿命 10 天。值得注意的是,F1通过恢复PI(3,5)P2水平,防止了ALS小鼠的神经胶质增生和自噬功能障碍:我们用于递送 PI(3,5)P2 的新型自组装脂质制剂在 ALS 临床前模型中发挥了神经保护作用,主要是通过稳定 TRPML1 的活性来调节自噬功能障碍。
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引用次数: 0
Immobilized protein strategies based on cell membrane chromatography and its application in discovering active and toxic substances in traditional Chinese medicine 基于细胞膜层析的固定化蛋白质策略及其在发现中药活性物质和毒性物质中的应用
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-02 DOI: 10.1016/j.phrs.2024.107492
Yi Shan , Jiayu Lu , Hua Qian , Zhaomin Xia , Xiaoxue Mo , Meidi An , Wen Yang , Siqi Wang , Delu Che , Cheng Wang , Huaizhen He
Traditional Chinese medicine (TCM) contributes significantly to human health. Owing to the complexity of the ingredients in TCM, it is necessary to conduct basic research on effective substances and identify toxic substances to control the safety of medication. Cell membrane chromatography (CMC) is an important method for identifying target components in complex systems. The cell membrane stationary phase (CMSP) is the core component and key factor in determining the effectiveness of CMC. This review summarizes the development of CMSP with different membrane protein immobilization strategies and the application of CMC in the discovery of active and toxic substances in TCM, with the aim of providing an effective means for the discovery of active ingredients and quality control of TCM.
传统中药为人类健康做出了巨大贡献。由于中药成分复杂,有必要对有效物质进行基础研究,并识别有毒物质,以控制用药安全。细胞膜色谱法(CMC)是鉴定复杂体系中目标成分的重要方法。细胞膜固定相(CMSP)是决定 CMC 效果的核心部件和关键因素。本综述总结了采用不同膜蛋白固定化策略的细胞膜色谱的发展以及 CMC 在发现中药活性物质和毒性物质中的应用,旨在为发现中药活性成分和质量控制提供有效手段。
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引用次数: 0
Role of the histone deacetylase family in lipid metabolism: Structural specificity and functional diversity 组蛋白去乙酰化酶家族在脂质代谢中的作用:结构特异性和功能多样性。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-02 DOI: 10.1016/j.phrs.2024.107493
Yunxia Li , Qi Han , Yuxin Liu , Jie Yin , Jie Ma
Lipids play crucial roles in signal transduction. Lipid metabolism is associated with several transcriptional regulators, including peroxisome proliferator activated receptor γ, sterol regulatory element-binding protein 1, and acetyl-CoA carboxylase. In recent years, increasing evidence has suggested that members of the histone deacetylase (HDAC) family play key roles in lipid metabolism. However, the mechanisms by which each member of this family regulates lipid metabolism remain unclear. This review discusses the latest research on the roles played by HDACs in fat metabolism. The role of HDACs in obesity, diabetes, and atherosclerosis has also been discussed. In addition, the interaction of HDACs with the gut microbiome and circadian rhythm has been reviewed, and the future development trend in HDACs has been predicted, which may potentiate therapeutic application of targeted HDACs in related metabolic diseases.
脂质在信号转导中起着至关重要的作用。脂质代谢与多种转录调节因子有关,包括过氧化物酶体增殖激活受体γ、固醇调节元件结合蛋白 1 和乙酰-CoA 羧化酶。近年来,越来越多的证据表明,组蛋白去乙酰化酶(HDAC)家族成员在脂质代谢中发挥着关键作用。然而,该家族各成员调节脂质代谢的机制仍不清楚。本综述将讨论有关 HDAC 在脂肪代谢中所起作用的最新研究。还讨论了 HDAC 在肥胖、糖尿病和动脉粥样硬化中的作用。此外,还综述了 HDACs 与肠道微生物组和昼夜节律的相互作用,并预测了 HDACs 的未来发展趋势,这可能会促进靶向 HDACs 在相关代谢疾病中的治疗应用。
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引用次数: 0
Commentary on “Apabetalone, a BET protein inhibitor, inhibits kidney damage in diabetes by preventing pyroptosis via modulating the P300/H3K27ac/PLK1 axis” 关于 "BET蛋白抑制剂阿帕贝他酮通过调节P300/H3K27ac/PLK1轴防止热蛋白沉积抑制糖尿病肾损伤 "的评论
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1016/j.phrs.2024.107329
Kaiqing Li, Xue Xia, Tong Fu, Ying Tong
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引用次数: 0
Editorial – New European ESH and ESC guidelines for the management of hypertension: More similarities than differences 新版欧洲高血压管理指南(ESH)和ESC指南:相似之处多于不同之处。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1016/j.phrs.2024.107455
Guido Grassi , Giuseppe Mancia
{"title":"Editorial – New European ESH and ESC guidelines for the management of hypertension: More similarities than differences","authors":"Guido Grassi ,&nbsp;Giuseppe Mancia","doi":"10.1016/j.phrs.2024.107455","DOIUrl":"10.1016/j.phrs.2024.107455","url":null,"abstract":"","PeriodicalId":19918,"journal":{"name":"Pharmacological research","volume":"209 ","pages":"Article 107455"},"PeriodicalIF":9.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142400952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Human F-ATP synthase as a drug target” [Pharmacol. Res. 209 (2024) 107423] 人类 F-ATP 合酶作为药物靶点"[《药理学研究》209 (2024) 107423] 更正。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1016/j.phrs.2024.107467
Christoph Gerle , Chimari Jiko , Atsuki Nakano , Ken Yokoyama , Chai C. Gopalasingam , Hideki Shigematsu , Kazuhiro Abe
{"title":"Corrigendum to “Human F-ATP synthase as a drug target” [Pharmacol. Res. 209 (2024) 107423]","authors":"Christoph Gerle ,&nbsp;Chimari Jiko ,&nbsp;Atsuki Nakano ,&nbsp;Ken Yokoyama ,&nbsp;Chai C. Gopalasingam ,&nbsp;Hideki Shigematsu ,&nbsp;Kazuhiro Abe","doi":"10.1016/j.phrs.2024.107467","DOIUrl":"10.1016/j.phrs.2024.107467","url":null,"abstract":"","PeriodicalId":19918,"journal":{"name":"Pharmacological research","volume":"209 ","pages":"Article 107467"},"PeriodicalIF":9.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142472154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Arctiin abrogates osteoclastogenesis and bone resorption via suppressing RANKL-induced ROS and NFATc1 activation” [Pharmacol. Res. 159 (2020) 104944] Arctiin abrogates osteoclastogenesis and bone resorption via suppressing RANKL-induced ROS and NFATc1 activation" [Pharmacol. Res. 159 (2020) 104944] 的更正。
IF 9.1 2区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1016/j.phrs.2024.107463
Delong Chen , Zhen Ye , Chao Wang , Qingqing Wang , Haibin Wang , Vincent Kuek , Ziyi Wang , Heng Qiu , Jinbo Yuan , Jacob Kenny , Fan Yang , Jianbo He , Yun Liu , Gang Wang , Meng Zhang , Gangyu Zhang , Junjian Wang , Peng Chen , Jiake Xu
{"title":"Corrigendum to “Arctiin abrogates osteoclastogenesis and bone resorption via suppressing RANKL-induced ROS and NFATc1 activation” [Pharmacol. Res. 159 (2020) 104944]","authors":"Delong Chen ,&nbsp;Zhen Ye ,&nbsp;Chao Wang ,&nbsp;Qingqing Wang ,&nbsp;Haibin Wang ,&nbsp;Vincent Kuek ,&nbsp;Ziyi Wang ,&nbsp;Heng Qiu ,&nbsp;Jinbo Yuan ,&nbsp;Jacob Kenny ,&nbsp;Fan Yang ,&nbsp;Jianbo He ,&nbsp;Yun Liu ,&nbsp;Gang Wang ,&nbsp;Meng Zhang ,&nbsp;Gangyu Zhang ,&nbsp;Junjian Wang ,&nbsp;Peng Chen ,&nbsp;Jiake Xu","doi":"10.1016/j.phrs.2024.107463","DOIUrl":"10.1016/j.phrs.2024.107463","url":null,"abstract":"","PeriodicalId":19918,"journal":{"name":"Pharmacological research","volume":"209 ","pages":"Article 107463"},"PeriodicalIF":9.1,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Pharmacological research
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